... 2.5KHZ(Hz). WH series 8 digits Electrical Meter/KWH meter Features: 1, Input: any voltage and current input eg. ... Accuracy: 0.3%, 8 digit high accuracy tele-meter reading, demical flosting display, power down memory funtion for ... (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, ...